一.基本术语 Basic Terminology A source node in a directed graph is a node with no incoming edges. 入度为0 A sink node in a directed graph is a node with no ou ...
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Web程序 时间：
2017-12-08 01:28:04
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243
题目大意：给你n个点n条边的有向图，你可以任意地反转一条边的方向，也可以一条都不反转，问你有多少种反转的方法 使图中没有环。 思路：我们先把有向边全部变成无向边，每个连通图中肯定有且只有一个环，如果这个连通图里边有n个点，环由m个元素 构成，那么这个连通图的反转方法数为，(2^(n-m)) * (2 ...
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其他好文 时间：
2017-11-24 20:20:58
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151
Find the number Weak Connected Component in the directed graph. Each node in the graph contains a label and a list of its neighbors. (a weak connected ...
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其他好文 时间：
2017-11-12 11:13:28
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Given an directed graph, a topological order of the graph nodes is defined as follow: For each directed edge A -> B in graph, A must before B in the o ...
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其他好文 时间：
2017-11-07 14:25:59
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Strongly connected Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description Give a simple directed graph with N nodes and M edges. ...
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其他好文 时间：
2017-10-14 21:02:30
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206
public class Solution { public UndirectedGraphNode cloneGraph(UndirectedGraphNode node) { if(node==null) return null; Map map=new HashMap(); Queue que... ...
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2017-10-07 12:05:10
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F. Cities Excursions F. Cities Excursions There are n cities in Berland. Some pairs of them are connected with m directed roads. One can use only thes ...
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2017-10-01 18:08:26
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Description There are n cities in Berland. Some pairs of them are connected with m directed roads. One can use only these roads to move from one city ...
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其他好文 时间：
2017-09-29 22:50:41
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Katu Puzzle Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 10239 Accepted: 3823 Description Katu Puzzle is presented as a directed graph G ...
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其他好文 时间：
2017-09-15 18:40:01
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awk 使用教程 awk - pattern-directed scanning and processing language (模式定位 扫描和处理语言) Awk scans each input file for lines that match any of a set of pattern ...
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其他好文 时间：
2017-09-13 18:28:18
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251
